The TEC1-09704 is a high-performance, single-stage semiconductor cooling module with standard 30x30mm dimensions, designed for a 4A current, a maximum voltage of 12V, and a maximum cooling power of approximately 27W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
🔷Thermoelectric Generator Product Drawing

🔷Thermoelectric Cooler Basic Performance Spec
| Type Model | Chip | ΔTmax (°C) | R (Ω) | Umax (V) | Imax (A) | Pmax (W) | Size (mm) |
|---|---|---|---|---|---|---|---|
| TEC1-09704 | K10 | 60 | 2.34 | 12 | 4 | 48 | 30×30×3.4 |
| TEC1-09704 | K14 | 65 | 2.34 | 12 | 4 | 48 | 30×30×3.8 |
| TEC1-09704 | K18 | 70 | 2.34 | 12 | 4 | 48 | 30×30×4.2 |
🔷Peltier Cooler Additional Performance Spec
| Parameter | Specification |
|---|---|
| Substrate | 96% alumina 0.76mm + oxygen‑free copper 0.4mm, sintered process |
| Lead Wire | Ultra‑soft silicone wire, 22 AWG, L=200mm |
| Terminals | Not included as standard; can be installed upon request |
| Mounting Pressure | 2.3 kg (0.25 kg/cm²) |
| Packaging | Polystyrene (PS) foam box |
| Sealant | 704 silicone rubber |
| Max. Temperature Resistance | Tin‑lead solder, melting point 138°C |
| Storage Conditions | Temperature < 120°C, Humidity < 60% RH |
🔷Peltier Module Performance Curve

🔷TEC Cooler Product Overview
The TEC1-09704 is a high-performance, single-stage semiconductor cooling module with standard 30x30mm dimensions, designed for a 4A current, a maximum voltage of 12V, and a maximum cooling power of approximately 27W.
Manufactured using high-quality bismuth telluride semiconductor material and an aluminum oxide ceramic substrate, this product features noise-free and vibration-free operation, is maintenance-free, and offers fast response times and precise temperature control. By reversing the current direction, it can flexibly switch between cooling and heating modes and complies with RoHS environmental standards.
The product is widely used in medical equipment, automotive electronics, telecommunications equipment, cosmetic lasers, and chip cooling applications, and is suitable for medium-power applications requiring precise temperature control.
🔷Thermoelectric Cooler Peltier Product Applications
The TEC1-09704 (30x30mm) semiconductor cooling module, with its 4A current rating and approximately 27W cooling capacity, is widely used in applications requiring moderate power, precise, and quiet temperature control. Its specific applications can be categorized as follows:
🚗 Automotive Electronics
As a high-performance single-stage cooling module, it is commonly used in the automotive electronics sector to provide precise active cooling for lidar (ADAS), sensors, battery packs, or control units, ensuring the stability of critical components under complex operating conditions.
🩺 Medical and Aesthetic Equipment
In the medical field, its vibration-free operation and precise temperature control are critical. It can be used for temperature regulation in medical devices (such as portable analyzers) and in the cooling systems of aesthetic lasers, ensuring stable device output and providing a comfortable user experience.
🛡️ Industrial and Communications Equipment
With its compact 30x30mm size, it is also suitable for space-constrained industrial applications. For example, it provides localized, precise cooling for telecommunications equipment and chip processors, or is used in various industrial instruments that require small-form-factor temperature control modules.
Please note that when using this product, the hot end must be equipped with an efficient heat sink and fan; otherwise, heat cannot be effectively dissipated, which will severely reduce cooling performance and may even damage the module due to overheating.
The TEC1-04902 is a 30x30mm standard-size semiconductor cooling module designed for a low current of 2.2A, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 8–10W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04903 is a 30x30mm standard-size semiconductor cooling module designed for a low current of 3A, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 12–15W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04904 is a standard 30x30mm semiconductor cooling module designed for a 4A current, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 15–18W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04905 is a 30x30mm standard-size semiconductor cooling module designed for a 5A current, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 20–25W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04906 is a 30x30mm standard-size semiconductor cooling module designed for a 6A current, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 25–30W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04908 is a 30x30mm standard-size semiconductor cooling module designed for an 8A current, with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 35–40W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04910 is a 30x30mm standard-size semiconductor cooling module designed for high current (10A), with a maximum temperature difference of approximately 65–70°C and a cooling capacity of approximately 40–45W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw
The TEC1-04912 is a 30x30mm standard-size semiconductor cooling module designed for high current (12A), with a maximum temperature difference of approximately 65–70°C and a cooling capacity of up to approximately 45–50W. 🟧 Price List Contact Customer Service 🟦 Certifications Contact Customer Service ⬜ Product PDF Spec Contact Customer Service 🟪 Contact customer Contact Customer Service 🟨 MOQ:1 Pcs 🟥 Fast Delivery:2-15 Days 🟩 Source Factory:Online Factory Video 🟫 Multiple Payment Methods:T/T|PayPal|Alipay ⬛ Pre|After Service:+86 13377785035|xyy@kkg.tw